C. A. 9th Cir. [Certiorari granted, 420 U. S. 923.] Motion of Allis-Chalmers Manufacturing Co. for leave to file a brief as amicus curiae granted.
C. A. 9th Cir. [Certiorari granted, 420 U. S. 923.] Motion of Allis-Chalmers Manufacturing Co. for leave to file a brief as amicus curiae granted.